#ifdef __GNUG__
#pragma implementation "Event.h"
#endif
#include <Event.h>

Event EventPoll::IdleEvent;

void Event::add(EventPoll *s) {
  s->next = list;
  list = s;
}

void Event::del(EventPoll *p) {
  for (EventPoll **s = &list; *s; s = &(*s)->next)
    if (*s == p) {
      *s = p->next;
      break;
    }
}

int Event::handler() {
  int flag = 0;
  for (EventPoll *s = list; s; s = s->next)
    flag |= s->eventHandler();
  return flag;
}

void EventPoll::arm(Event *e) {
  disarm();
  head = e;
  head->add(this);
}

void EventPoll::disarm() {
  if (head) {
    head->del(this);
    head = 0;
  }
}